Uploaded February 2021 | Updated September 2026, 1 hour ago
Sign up to GCN+ for the best cycling documentaries, shows, and adventure films from the 15th February. Plus live racing, highlights and analysis, all ad-free and get 50% off in February: https://gcn.eu/plus
How far could you ride in 24 hours? Ultra-Endurance cyclist Mark Beaumont is joined by GCN Presenter James Lowsley-Williams as they head north from Bath, England to find out! A top team of academics are monitoring everything from muscle fatigue to psychology and cognitive abilities to see what effect 24 hours of exertion can have on the human body.
Sign up now: https://gcn.eu/plus
Just how far can you ride a bike In 24 hours? Ultra-endurance cyclist Mark Beaumont is joined by GCN Presenter James Lowsley-Williams on an overnight expedition from Somerset to Scotland through gruelling winter conditions. Along the way they are tested by a team of top academics to monitor the effect of the demanding challenge is having on their cognitive function and long term physical ability. Battling fatigue and the ever-changing weather conditions, how far can they make it?
GCN+ is the home of the world’s most thrilling live bike races, highlights, exclusive shows and epic cycling documentaries that you can enjoy live + ad-free + on-demand + interactive + all-year round.
GCN+ is more of everything you’ve come to love from GCN but taken to the next level: more entertainment, more races, more inspiration, more access, more analysis, more science and more to watch with exclusive and original long-form films, documentaries and shows.
GCN+ is cycling like you’ve never seen it before.
Sign up to GCN+ for the best cycling documentaries, shows, and adventure films from the 15th February. Plus live racing, highlights and analysis, all ad-free and get 50% off in February: https://gcn.eu/plus
How far could you ride in 24 hours? Ultra-Endurance cyclist Mark Beaumont is joined by GCN Presenter James Lowsley-Williams as they head north from Bath, England to find out! A top team of academics are monitoring everything from muscle fatigue to psychology and cognitive abilities to see what effect 24 hours of exertion can have on the human body.
Sign up now: https://gcn.eu/plus
Just how far can you ride a bike In 24 hours? Ultra-endurance cyclist Mark Beaumont is joined by GCN Presenter James Lowsley-Williams on an overnight expedition from Somerset to Scotland through gruelling winter conditions. Along the way they are tested by a team of top academics to monitor the effect of the demanding challenge is having on their cognitive function and long term physical ability. Battling fatigue and the ever-changing weather conditions, how far can they make it?
GCN+ is the home of the world’s most thrilling live bike races, highlights, exclusive shows and epic cycling documentaries that you can enjoy live + ad-free + on-demand + interactive + all-year round.
GCN+ is more of everything you’ve come to love from GCN but taken to the next level: more entertainment, more races, more inspiration, more access, more analysis, more science and more to watch with exclusive and original long-form films, documentaries and shows.
GCN+ is cycling like you’ve never seen it before.










